sql/item.cc:
  As far as now transformer called after setup_wild() it is impossible to have '*' Item
sql/item.h:
  As far as now transformer called after setup_wild() it is impossible to have '*' Item
sql/item_subselect.cc:
  replaced Item_ref_on_list_position (which need erly ref_array initialisation)
sql/mysql_priv.h:
  setup_ref_array moved to st_select_lex class
sql/sql_delete.cc:
  setup_ref_array moved to st_select_lex class
sql/sql_derived.cc:
  setup_ref_array moved to st_select_lex class
sql/sql_lex.cc:
  removed double initialisation
  select_n_having_items moved to any query initializations, because it used in setup_ref_array method
  setup_ref_array moved to st_select_lex class
sql/sql_lex.h:
  setup_ref_array moved to st_select_lex class
sql/sql_select.cc:
  setup_ref_array moved to st_select_lex class
sql/sql_table.cc:
  setup_ref_array moved to st_select_lex class
sql/sql_union.cc:
  setup_ref_array moved to st_select_lex class
sql/sql_update.cc:
  setup_ref_array moved to st_select_lex class